There is Kung-fu tournament held once every 18 years. Yuen Nan Tin, a skilled fighter, attends the tournament with a boy, Siew Yee Yee, in order to prevent any unnecessary killings. But Yuen is badly injured at last and Siew Yee Yee is saved by the group of 10 mischievous people who intend to mould him into the fiercest person in the land. The princess of Yee Fah Kung, a skilled fighter too, has also adopted a small girl Fah Moh Kuit. She dresses the girl in boy's clothing and trains her to win the next tournament.